TEMPLE MOUNT WATCH:

PMO to take over running Western Wall (Ha'aretz)
By Nadav Shragai

The government has decided to transfer responsibility for the Western Wall, the plaza facing it and the nearby excavations, currently handled by the tourism minister, to the Western Wall Heritage Foundation, which is overseen by the prime minister.

[...]

I'm not sure what "PMO" stands for. Prime Minister's Organization? The point of the change seems to be to centralize the administration of the site under one organization.

UPDATE: Cynthia Edenburg suggests "Prime Minister's Office," which sounds right.